This 50mm Drilled Flange (Fixed) is a one-piece solvent-weld fitting pre-drilled to AS 4087 Table D or E bolt-hole patterns for connection to pumps, tanks, valves, and flanged equipment. The fixed (non-rotating) flange requires bolt-hole alignment during pipe assembly. Manufactured from rigid PVC for corrosion-free service in water supply, irrigation, and industrial systems. Used with a rubber gasket and stainless or galvanised bolts for a pressure-rated flanged connection.